UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000055432
Receipt number R000063341
Scientific Title Investigation of the possibility of identifying the change in emotion induced by the aroma of lactobacillus beverages by facial skin blood flow, and the effect of hunger and satiety of the subject on the change in emotion induced by the aroma of lactobacillus beverages.
Date of disclosure of the study information 2024/09/05
Last modified on 2024/09/05 16:38:56

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Basic information

Public title

Investigation of the possibility of identifying the change in emotion induced by the aroma of lactobacillus beverages by facial skin blood flow, and the effect of hunger and satiety of the subject on the change in emotion induced by the aroma of lactobacillus beverages.

Acronym

Investigation of the possibility of identifying the change in emotion induced by the aroma of lactobacillus beverages by facial skin blood flow.

Scientific Title

Investigation of the possibility of identifying the change in emotion induced by the aroma of lactobacillus beverages by facial skin blood flow, and the effect of hunger and satiety of the subject on the change in emotion induced by the aroma of lactobacillus beverages.

Scientific Title:Acronym

Investigation of the possibility of identifying the change in emotion induced by the aroma of lactobacillus beverages by facial skin blood flow.

Region

Japan


Condition

Condition

no

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

In recent years, improvement of mental health, especially psychological care for Japanese women in their 20s, has become an issue. Various studies have reported that listening to music and forest bathing have relaxing effects, but it is difficult for college students and workers in their 20s to perform these activities during classes or at work. Kawaguchi et al. suggested that the aroma of lactobacillus beverages may predominate parasympathetic nervous activity and increase subjective relaxation in animals and humans. Since commercially available lactobacillus beverages are readily available, if the relaxation effect can be achieved solely by the aroma, they hold great promise as a psychological care tool that can be easily incorporated into the lives of college students and working adults in their 20s.
Facial skin blood flow has attracted attention as a tool that can capture changes in emotion without being masked by voluntary facial expression control. We have shown that pleasant emotions associated with the ingestion of umami and sweet tastes increase eyelid blood flow, while unpleasant emotions associated with the ingestion of bitter tastes decrease nasal blood flow. However, it is unclear whether facial cutaneous blood flow can identify changes in affect to aroma rather than taste stimulation via taste buds. In this study, we examine whether the aroma of lactobacillus beverages induces changes in emotions such as relaxation in female college students in their 20s, and whether these changes are associated with changes in facial skin blood flow.

Basic objectives2

Others

Basic objectives -Others

While the aroma of lactobacillus beverages may bring about a relaxing effect, it is not clear how the effect is affected by differences in the degree of hunger and satiety of the subjects. Fragrances that produce a relaxing effect when inhaled on an empty stomach may also cause discomfort on a full stomach. In addition to the above, the purpose of this study is to examine the effects of the subject's hunger and satiety on the emotional effects of lactobacillus beverage aroma.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Facial skin blood flow
Blood pressure
Heart Rate
Heart Rate Variability
Frontal Cerebral Blood Flow

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Self control

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

inhalation of lactobacillus beverage aroma

Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

30 years-old >

Gender

Female

Key inclusion criteria

healthy female university students

Key exclusion criteria

underlying diseases
smoking habit

Target sample size

30


Research contact person

Name of lead principal investigator

1st name Miyaji
Middle name
Last name Akane

Organization

Tokyo Healthcare university

Division name

Division of Medical nutrition

Zip code

154-8568

Address

3-11-3 Setagaya, Setagaya-ku, Tokyo

TEL

03-5799-3711

Email

a-miyaji@thcu.ac.jp


Public contact

Name of contact person

1st name Miyaji
Middle name
Last name Akane

Organization

Tokyo Healthcare university

Division name

Division of Medical nutrition

Zip code

154-8568

Address

3-11-3 Setagaya, Setagaya-ku, Tokyo

TEL

03-5799-3711

Homepage URL


Email

a-miyaji@thcu.ac.jp


Sponsor or person

Institute

Tokyo healthcare university

Institute

Department

Personal name



Funding Source

Organization

Tokyo healthcare university

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

tokyo healthcare university

Address

3-11-3 Setagaya, Setagaya-ku, Tokyo

Tel

03-5799-3711

Email

rinri@thcu.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

東京医療保健大学世田谷キャンパス


Other administrative information

Date of disclosure of the study information

2024 Year 09 Month 05 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Enrolling by invitation

Date of protocol fixation

2024 Year 06 Month 25 Day

Date of IRB

2024 Year 08 Month 09 Day

Anticipated trial start date

2024 Year 09 Month 06 Day

Last follow-up date

2024 Year 09 Month 26 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2024 Year 09 Month 05 Day

Last modified on

2024 Year 09 Month 05 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000063341